Quarterly report pursuant to Section 13 or 15(d)

Computations of Basic and Diluted Loss Per Share (Parenthetical) (Detail)

v3.21.2
Computations of Basic and Diluted Loss Per Share (Parenthetical) (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Earnings Per Share Disclosure [Line Items]        
Weighted average shares of participating restricted stock 2,276,000 917,000 1,995,000 771,000
Restricted Stock Units (RSUs)        
Earnings Per Share Disclosure [Line Items]        
Common equivalent shares for restricted stock units 156,000 475,000 98,000 28,000